👉 Learn how to add and subtract rational expressions by applying the rules of exponents. When adding and subtracting rational expressions, we need to have common denominators. To obtain common ...

👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the ...

Have you ever tried to add or subtract fractions that have different denominators? It’s tricky, right? Join Ms. Susanna Post in this lesson to learn how to solve these types of challenging problems!